energy

名词 energy:

1. (physics) the capacity of a physical system to do work; the units of energy are joules or ergs
2. forceful exertion
   同义词：vigor, vigour, zip
3. enterprising or ambitious drive
   同义词：push, get-up-and-go
4. an imaginative lively style (especially style of writing)
   同义词：muscularity, vigor, vigour, vim
5. a healthy capacity for vigorous activity
   同义词：vim, vitality
6. the federal department responsible for maintaining a national energy policy of the United States; created in 1977
   同义词：Department of Energy, Energy Department, DOE

1. Chlorophyll is a green substance in plants that absorbs energy from sunlight and helps them grow.
   叶绿素是生长在植物中的绿色物质，它能吸收阳光，促进植物生长。
2. The solar cell can convert the energy of sunlight into electric energy.
   太阳能电池能把阳光的能量转化为电能。
3. Young people usually have more energy than the old.
   青年人通常比老年人精力充沛些。

en.er.gy

n.（名词）
【复数】 en.er.gies
The capacity for work or vigorous activity; vigor; power.See Synonyms at strength
能力，精力，活力：工作或积极活动的能力；活力；精力参见 strength

Exertion of vigor or power:
精神，力气：精力或能力的耗用：
例句：
a project requiring a great deal of time and energy.
一项需要耗用大量时间和精力的方案

Vitality and intensity of expression:
充满活力和激情的表述：
例句：
a speech delivered with energy and emotion.
一个充满力量及激情的演说

Usable heat or power:
热能源，电能：可用的热量或能量：
例句：
Each year Americans consume a high percentage of the world`s energy.
每年美国人都消耗掉世界能源的很大比例

A source of usable power, such as petroleum or coal.
能源：可用能量的来源，如石油或煤
Physics The capacity of a physical system to do work.
【物理学】 能量，能：物理系统做功的容量能力
n.attributive.（定语名词）
Often used to modify another noun:
常用于修饰另一个名词：
例句：
energy conservation; energy efficiency; an energy czar.
能量守恒；功效；强权的沙皇

来源：
French énergie
法语 énergie
from Late Latin energoa
源自 后期拉丁语 energoa
from Greek energeia
源自 希腊语 energeia
from energos [active]
源自 energos [积极的，主动的]
en- [in, at] * see en- 2
en- [在…上，在…] *参见 en-2
ergon [work] * see werg-
ergon [功] *参见 werg-